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Post-UTME Physics 2009 Objective — Question 4

Question 4 of 10 from the Post-UTME Screening (Post-UTME) Physics 2009 Objective paper, with the correct answer and a full explanation.

The odour of a leaking gas is perceived at a distance from the source by the process of

A. -----
B. diffusionCorrect
C. osmosis
D. evaporation

Explanation

Gas molecules spreading through the air to reach your nose is diffusion.

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